Seth Shostak: ET is (Probably) Out There -- Get Ready
Dr. Seth Shostak participates in the search for extraterrestrial life at the SETI Institute. He heads up the International Academy of Astronautics' SETI Committee, and hosts a weekly radio show, "Big Picture Science." Shostak has published more than 400 popular articles on science, and his most recent book is Confessions of an Alien Hunter, A Scientist's Search for Extraterrestrial Life (National Geographic). Shostak is also an accomplished photographer. His photos have been featured on the cover of Time magazine.
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Annie Murphy Paul: What We Learn Before We're Born
Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that shows how much we learn in the womb -- from the lilt of our native language to our soon-to-be-favorite foods.
Frans de Waal: Moral Behavior in Animals
Empathy, cooperation, fairness and reciprocity -- caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on primates and other mammals, that show how many of these moral traits all of us share.
Alexander Tsiaras: Conception to Birth - Visualized
Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)
The Skin Gun
A simple idea backed by stem cell research allows victims of severe burns to heal in merely days.
The Remarkable Story of Ernestine Shepherd
Do healthy, ripped bodies only belong to the young? Not if you're Ernestine Shepherd. At 77, she's the world's oldest female bodybuilder and in our original documentary short, we follow a day in her life.